|
Hydraulic system fails to function
|
Not enough oil in the system
|
Top up to upper part on sight-glass.
|
|
Hydraulic oil overheats
|
Machine not equipped with oil cooler
|
Install hydraulic oil cooler (optional on 3220 and 3420 only).
|
|
|
Clogged hydraulic oil cooler screen
|
Thouroughly clean oil cooler screen.
|
|
Multi-function lever does not pilot boom functions
|
Defective electrical connection and/or electrical components
|
Check Multi-function wiring harness connections and switches.
|
|
|
|
Check valve block wiring harness connections.
|
|
|
|
Check seat presence sensor. Replace sensor if necessary.
|
|
Multi-function lever cannot be moved
|
Defective seat presence sensor
|
Check sensor and replace if necessary
|
|
|
|
Check valve block wiring harness connections.
|
|
Steering wheel hard to turn
|
Defective accumulator charge valve
|
See your John Deere dealer.
|
|
|
Defective inlet priority valve
|
See your John Deere dealer.
|
|
Inconsistent brake pedal
|
Accumulator has no charge
|
Defective accumulator charge valve. See your John Deere dealer.
|
|
|
|
Defective inlet priority valve. See your John Deere dealer.
|